Finding the Fourth Proportional to 11,893.96, 17,836.16 and 7,727.73

Step by Step Solution

1. Step 1: Write the proportion equation
   11,893.96 : 17,836.16 = 7,727.73 : x
2. Step 2: Convert to fraction form
   11,893.96/17,836.16 = 7,727.73/x
3. Step 3: Cross multiply
   11,893.96x = 17,836.16 × 7,727.73
4. Step 4: Simplify right side
   11,893.96x = 137,833,028.72
5. Step 5: Solve for x
   x = 137,833,028.72/11,893.96
6. Step 6: Final answer
   x = 11,588.49